3820867864 has 32 divisors (see below), whose sum is σ = 7914355200. Its totient is φ = 1714770720.

The previous prime is 3820867837. The next prime is 3820867873. The reversal of 3820867864 is 4687680283.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267852 + ... + 281755.

It is an arithmetic number, because the mean of its divisors is an integer number (247323600).

Almost surely, 2^3820867864 is an apocalyptic number.

It is an amenable number.

3820867864 is an abundant number, since it is smaller than the sum of its proper divisors (4093487336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3820867864 is a wasteful number, since it uses less digits than its factorization.

3820867864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549703 (or 549699 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The square root of 3820867864 is about 61813.1690176131. The cubic root of 3820867864 is about 1563.3420385048.

The spelling of 3820867864 in words is "three billion, eight hundred twenty million, eight hundred sixty-seven thousand, eight hundred sixty-four".